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[v5,1/7] drm/msm: adreno: add defines for gpu & gmu frequency table sizes

Message ID 20241211-topic-sm8x50-gpu-bw-vote-v5-1-6112f9f785ec@linaro.org
State Superseded
Headers show
Series drm/msm: adreno: add support for DDR bandwidth scaling via GMU | expand

Commit Message

Neil Armstrong Dec. 11, 2024, 8:29 a.m. UTC 
Even if the code uses ARRAY_SIZE() to fill those tables,
it's still a best practice to not use magic values for
tables in structs.

Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---
 drivers/gpu/drm/msm/adreno/a6xx_gmu.h | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
index b4a79f88ccf45cfe651c86d2a9da39541c5772b3..88f18ea6a38a08b5b171709e5020010947a5d347 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
@@ -19,6 +19,9 @@  struct a6xx_gmu_bo {
 	u64 iova;
 };
 
+#define GMU_MAX_GX_FREQS	16
+#define GMU_MAX_CX_FREQS	4
+
 /*
  * These define the different GMU wake up options - these define how both the
  * CPU and the GMU bring up the hardware
@@ -79,12 +82,12 @@  struct a6xx_gmu {
 	int current_perf_index;
 
 	int nr_gpu_freqs;
-	unsigned long gpu_freqs[16];
-	u32 gx_arc_votes[16];
+	unsigned long gpu_freqs[GMU_MAX_GX_FREQS];
+	u32 gx_arc_votes[GMU_MAX_GX_FREQS];
 
 	int nr_gmu_freqs;
-	unsigned long gmu_freqs[4];
-	u32 cx_arc_votes[4];
+	unsigned long gmu_freqs[GMU_MAX_CX_FREQS];
+	u32 cx_arc_votes[GMU_MAX_CX_FREQS];
 
 	unsigned long freq;